NGC 4725
| NGC 4725 | |
|---|---|
|
A mid-infrared image of NGC 4725 taken by the Spitzer Space Telescope (SST). Credit: Spitzer Infrared Nearby Galaxies Survey/SST/NASA. | |
| Observation data (J2000 epoch) | |
| Constellation | Coma Berenices[1] |
| Right ascension | 12h 50m 26.6s[2] |
| Declination | +25° 30′ 03″[2] |
| Redshift | 1206 ± 3 km/s[2] |
| Distance | 40 ± 6 Mly (12.3 ± 1.9 Mpc)[3] |
| Type | SAB(r)ab pec[4] |
| Apparent dimensions (V) | 10′.7 × 7′.6[2] |
| Apparent magnitude (V) | 10.1[2] |
| Other designations | |
| UGC 7989,[2] PGC 43451[2] | |
NGC 4725 is an intermediate barred spiral galaxy about 40 million light-years away in the constellation Coma Berenices. NGC 4725 is a Seyfert Galaxy, suggesting an active galactic nucleus containing a supermassive black hole.
See also
External links
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Wikimedia Commons has media related to NGC 4725. |
References
- ↑ R. W. Sinnott, ed. (1988). The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J. L. E. Dreyer. Sky Publishing Corporation and Cambridge University Press. ISBN 0-933346-51-4.
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 "NASA/IPAC Extragalactic Database". Results for NGC 4725. Retrieved 2006-11-25.
- ↑ Jensen, Joseph B.; Tonry, John L.; Barris, Brian J.; Thompson, Rodger I. et al. (February 2003). "Measuring Distances and Probing the Unresolved Stellar Populations of Galaxies Using Infrared Surface Brightness Fluctuations". Astrophysical Journal 583 (2): 712–726. arXiv:astro-ph/0210129. Bibcode:2003ApJ...583..712J. doi:10.1086/345430.
- ↑ "NASA/IPAC Extragalactic Database". Results for NGC 4725. Retrieved 2010-04-21.